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Summary of Significant Accounting Policies - Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]    
Cash and cash equivalents $ 7,619,748 $ 8,432,600
Restricted cash, current 3,270,247  
Restricted cash, non-current   3,270,247
Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows $ 10,889,995 $ 11,702,847